Coolant Connector Color:Black End Outside Diameter:1.1 In. End Type:Barb; Quick Connect Fitting Angle:180 Degrees Fitting Attachment End 1:Quick Disconnect Fitting Attachment End 2:Barb Fitting Attachment End 3:None Fitting Size End 1 (in):0.625 In. Fitting Size End 2 (in):0.69 In. Fitting Size End 3 (in):0 Material:Nylon Package Contents:2 Connectors Quick Connect System:Yes Shape:Straight Type:Coolant Connector Dorman HVAC Heater Hose Connectors are made to resist brittleness, cracking, and coolant leaks. The hose is designed to withstand extreme temperatures from the engine's coolant for long-lasting durability and to prolong the service life of the part.